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Merged
BartMassey merged 1 commit into from
Jan 25, 2026
Merged

Add missing binary addresses to memory layout and main chapters #102

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24 changes: 12 additions & 12 deletions ci/main/app/app.objdump
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Original file line number Diff line number Diff line change
Expand Up @@ -3,16 +3,16 @@ app: file format elf32-littlearm

Disassembly of section .text:

<main>:
push {r7, lr}
mov r7, sp
sub sp, #0x4
movs r0, #0x2a
str r0, [sp]
b 0x14 <main+0xc> @ imm = #-0x2
b 0x14 <main+0xc> @ imm = #-0x4
00000008 <main>:
8: push {r7, lr}
a: mov r7, sp
c: sub sp, #0x4
e: movs r0, #0x2a
10: str r0, [sp]
12: b 0x14 <main+0xc> @ imm = #-0x2
14: b 0x14 <main+0xc> @ imm = #-0x4

<Reset>:
push {r7, lr}
mov r7, sp
bl 0x8 <main> @ imm = #-0x16
00000016 <Reset>:
16: push {r7, lr}
18: mov r7, sp
1a: bl 0x8 <main> @ imm = #-0x16
16 changes: 8 additions & 8 deletions ci/memory-layout/app.text.objdump
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Expand Up @@ -3,11 +3,11 @@ app: file format elf32-littlearm

Disassembly of section .text:

<Reset>:
push {r7, lr}
mov r7, sp
sub sp, #0x4
movs r0, #0x2a
str r0, [sp]
b 0x14 <Reset+0xc> @ imm = #-0x2
b 0x14 <Reset+0xc> @ imm = #-0x4
00000008 <Reset>:
8: push {r7, lr}
a: mov r7, sp
c: sub sp, #0x4
e: movs r0, #0x2a
10: str r0, [sp]
12: b 0x14 <Reset+0xc> @ imm = #-0x2
14: b 0x14 <Reset+0xc> @ imm = #-0x4
4 changes: 2 additions & 2 deletions ci/script.sh
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Expand Up @@ -52,7 +52,7 @@ main() {

# check that the Reset symbol is there
diff -b app.text.objdump \
<(cargo objdump --bin app -- -d --no-show-raw-insn --no-leading-addr)
<(cargo objdump --bin app -- -d --no-show-raw-insn --print-imm-hex)

# check that the reset vector is there and has the right address
diff -b app.vector_table.objdump \
Expand All @@ -70,7 +70,7 @@ main() {
# check that the disassembly matches
pushd app
diff -b app.objdump \
<(cargo objdump --bin app -- -d --no-show-raw-insn --no-leading-addr)
<(cargo objdump --bin app -- -d --no-show-raw-insn --print-imm-hex)
# disabled because of rust-lang/rust#53964
# edition_check
popd
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2 changes: 1 addition & 1 deletion src/main.md
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Expand Up @@ -89,7 +89,7 @@ $ cat src/main.rs
The disassembly will be similar but will now include the user `main` function.

``` console
$ cargo objdump --bin app -- -d --no-show-raw-insn
$ cargo objdump --bin app -- -d --no-show-raw-insn --print-imm-hex
```

``` text
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2 changes: 1 addition & 1 deletion src/memory-layout.md
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Expand Up @@ -214,7 +214,7 @@ Now let's inspect the output binary to confirm the memory layout looks the way w
(this requires [`cargo-binutils`](https://github.com/rust-embedded/cargo-binutils#readme)):

``` console
$ cargo objdump --bin app -- -d --no-show-raw-insn
$ cargo objdump --bin app -- -d --no-show-raw-insn --print-imm-hex
```

``` text
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