[Bug ld/16017] LD creates invalid PLT instructions on CORTEX-M3

[lotharlutz at gmx dot de]

https://sourceware.org/bugzilla/show_bug.cgi?id=16017

--- Comment #10 from Markus Mayer <lotharlutz at gmx dot de> ---
Hi Nick,

I have attached a new version of my previous patch.
Changes:
- convert pl0 to thumb
- Show error when using thumb-1 thumb-only targets
- Rename 'elf32_thumb_plt_entry' to 'elf32_thumb2_plt_entry'
- Set 'plt_entry_size' inside 'elf32_arm_create_dynamic_sections'
- Move 'using_thumb_only' and 'using_thumb2' upwards, to make it available
inside 'elf32_arm_create_dynamic_sections'

Open issues:
- 'plt_entry_size' is still set incorrectly. 'using_thumb_only' return false
inside 'elf32_arm_create_dynamic_sections'

- When calling the plt entry from the .text segment a 'BLX <immediate>'
instruction is used. This instruction is not available in thumb mode. 'BL
<immediate>' must be used here.

Can you help me out with these issues?


Regards
 Markus

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